package com.jihu.mall.product.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @author jihu
 * @date 2020/10/21
 */
@EnableConfigurationProperties(CacheProperties.class)
@EnableCaching
@Configuration
public class CacheConfig {

    @Autowired
    private CacheProperties cacheProperties;

    @Bean
    public RedisCacheConfiguration redisCacheConfiguration(){
        RedisCacheConfiguration configuration = RedisCacheConfiguration.defaultCacheConfig();
        configuration = configuration.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        configuration = configuration.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));

        CacheProperties.Redis redisProperties = cacheProperties.getRedis();
        if(redisProperties.getTimeToLive() != null){
            configuration = configuration.entryTtl(redisProperties.getTimeToLive());
        }
        if(redisProperties.getKeyPrefix() != null){
            configuration = configuration.prefixKeysWith(redisProperties.getKeyPrefix());
        }
        if(!redisProperties.isCacheNullValues()){
            configuration = configuration.disableCachingNullValues();
        }
        if(!redisProperties.isUseKeyPrefix()){
            configuration = configuration.disableKeyPrefix();
        }
        //将配置文件中的所有配置生效
        return configuration;
    }
}
